5f5b8b519b
git-svn-id: file:///srv/devel/repo-conversion/nusu@201 d2e56fa2-650e-0410-a79f-9358c0239efd
80 lines
2.6 KiB
C#
80 lines
2.6 KiB
C#
#region CPL License
|
|
/*
|
|
Nuclex Framework
|
|
Copyright (C) 2002-2010 Nuclex Development Labs
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the IBM Common Public License as
|
|
published by the IBM Corporation; either version 1.0 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
IBM Common Public License for more details.
|
|
|
|
You should have received a copy of the IBM Common Public
|
|
License along with this library
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Threading;
|
|
using System.Diagnostics;
|
|
|
|
using Nuclex.Support.Collections;
|
|
|
|
namespace Nuclex.Support.Scheduling {
|
|
|
|
/// <summary>Schedules actions for execution at a future point in time</summary>
|
|
partial class Scheduler {
|
|
|
|
#region class TimeSourceSingleton
|
|
|
|
/// <summary>
|
|
/// Manages the singleton instance of the scheduler's default time source
|
|
/// </summary>
|
|
private class TimeSourceSingleton {
|
|
|
|
/// <summary>
|
|
/// Explicit static constructor to guarantee the singleton is initialized only
|
|
/// when a static member of this class is accessed.
|
|
/// </summary>
|
|
static TimeSourceSingleton() { } // Do not remove!
|
|
|
|
/// <summary>The singleton instance of the default time source</summary>
|
|
internal static readonly ITimeSource Instance = Scheduler.CreateDefaultTimeSource();
|
|
|
|
}
|
|
|
|
#endregion // class TimeSourceSingleton
|
|
|
|
/// <summary>Returns the default time source for the scheduler</summary>
|
|
public static ITimeSource DefaultTimeSource {
|
|
get { return TimeSourceSingleton.Instance; }
|
|
}
|
|
|
|
/// <summary>Creates a new default time source for the scheduler</summary>
|
|
/// <param name="useWindowsTimeSource">
|
|
/// Whether the specialized windows time source should be used
|
|
/// </param>
|
|
/// <returns>The newly created time source</returns>
|
|
internal static ITimeSource CreateTimeSource(bool useWindowsTimeSource) {
|
|
if(useWindowsTimeSource) {
|
|
return new WindowsTimeSource();
|
|
} else {
|
|
return new GenericTimeSource();
|
|
}
|
|
}
|
|
|
|
/// <summary>Creates a new default time source for the scheduler</summary>
|
|
/// <returns>The newly created time source</returns>
|
|
internal static ITimeSource CreateDefaultTimeSource() {
|
|
return CreateTimeSource(WindowsTimeSource.Available);
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace Nuclex.Support.Scheduling
|